Robtex

Up: 203.145.136.0/21
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Down left: 203.145.136.0/23
Down right: 203.145.138.0/23

IP	Type	Hostname
203.145.136.3	PTR	hq.sahara.co.in
203.145.136.3	PTR	mail.hqga.sahara.co.in
203.145.136.52	PTR	imss.bhelpem.co.in
203.145.136.53	PTR	bhelpem.co.in
203.145.136.87	A	dns3.mail.bharatpetroleum.in
203.145.138.224	PTR	raschd224.138.145.203.mantraonline.com
203.145.139.213	A+PTR	mail.studentnest.net